Chair tilting mechanism



FIG. 1 is a front perspective view of a first embodiment of a chair tilting mechanism from above and one side;

FIG. 2 is a front perspective view from below and one side;

FIG. 3 is a side view;

FIG. 4 is an opposite side view;

FIG. 5 is an enlarged top view;

FIG. 6 is an enlarged front view;

FIG. 7 is a front perspective view of a second embodiment, this view being from above and one side;

FIG. 8 is a front perspective view of the second embodiment, this view being from below and one side;

FIG. 9 is a side view of the second embodiment;

FIG. 10 is an opposite side view of the second embodiment;

FIG. 11 is an enlarged top view of the second embodiment; and,

FIG. 12 is an enlarged front view of the second embodiment.

The broken line showings of portions of the chair tilting mechanism throughout the views are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a chair tilting mechanism, as shown and described. 